A serious drug offender confiscation order made against a person is discharged if—
(a) the person’s conviction of the qualifying offence or a pre-qualifying offence on which the order is based is quashed; or
(b) the order is discharged on appeal; or
(c) the order was based on a qualifying offence or a pre-qualifying offence that was a category B offence or category C offence and, following an appeal, the offence is no longer either a category B offence or a category C offence.